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Lynna [10]
3 years ago
15

the length and width of a rectangular patio are (x+8) feet and (x+6) feet, respectively. If the area of the patio is 160 square

feet, what are the dimensions of the patio?
Mathematics
1 answer:
lorasvet [3.4K]3 years ago
6 0
<span>(x + 8)  (x + 6) = 160
x² +6x +8x +48 = 160
</span>x² +6x +8x +48 - 160 =0
<span>x² +14x -112=0

You have to calculate the discriminant.

(Please mark be brainliest)

</span>
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50 points i need to know how to plot these
svetlana [45]

x is time and y is pencils that you have

'starts with 90' so at x=0, plot y=90

'gives away 15 every hour' so for every 1 hour, move 15 down on y

so at x=1, do 90-15=75 pencils

at x=2, do 75-15=60 pencils

etc

until you get to

x=6, do 15-15=0 pencils then stop because you can't give away 15 pencils when you have 0

see attachment for plot

I don't know how your segment tool works so you do it

if it draws a line, you only need 2 points, just do when x=0, y=90 and when x=6, y=0

5 0
3 years ago
What is 8x over 2y ?
Nana76 [90]

Answer:

6 2/3.. i think

Step-by-step explanation:

hopefully u understand my messy handwriting

4 0
2 years ago
If 2/3x -1 = 4, then x=
PolarNik [594]

Answer:

15/2

Step-by-step explanation:

2/3x-1=4

2/3x=4+1

2/3x=5

x=5/(2/3)

x=(5/1)(3/2)

x=15/2

6 0
3 years ago
I need help with number 5
Zielflug [23.3K]

Answer:

100.34÷2.9=34.6

Step-by-step explanation:

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5 0
3 years ago
A water balloon has a diameter of 6 inches. How many cubic inches of water does it contain when it is 3/4 full
Travka [436]
Below are the choices that can be found from other sources:

A) 36 pi 
<span>B) 6 pi </span>
<span>C) 27 pi </span>
<span>D) 216 pi </span>
<span>E) 48 pi
</span>
A sphere's volume is (4/3)*pi*r^3. 
<span>The diameter of the balloon is 6 inches. The diameter is twice the radius. The radius is 3 inches. </span>

<span>(4/3)*pi*3^3 = 36 * pi </span>

<span>But the balloon is only 3/4 full. So </span>

<span>36 * (3/4) * pi = 27 * pi. </span>

<span>The balloon has 27 pi cubic inches of water.</span>
7 0
3 years ago
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